Exploring Iterated Function Systems

resize.java

switch (corner) {
  case NW:
    x += (inverseX.x + inverseY.x);
    y += (inverseX.y + inverseY.y);
    w -= delta.x;
    h -= delta.y;
    break;
  case NE:
    x += inverseY.x;
    y += inverseY.y;
    if (e.isShiftDown()) {
      w -= delta.x;
    } else {
      w += delta.x;
    }
    h -= delta.y;
    break;
  case SW:
    if (e.isShiftDown()) {
      x -= inverseX.x;
      y -= inverseX.y;
      w += delta.x;
    } else {
      x += inverseX.x;
      y += inverseX.y;
      w -= delta.x;
    }
    h += delta.y;
    break;
  case SE:
    w += delta.x;
    h += delta.y;
    break;
}